First steps
Not unlocked yetGain level 2
Novice
Not unlocked yetGain level 5
Experienced
Not unlocked yetGain level 10
Veteran
Not unlocked yetGain level 15
Big wig
Not unlocked yetGain level 20
Legend
Not unlocked yetGain level 21
Warm welcoming
Not unlocked yetKill 1000 monsters of your level or higher
Bloody reaping
Not unlocked yetKill 10000 monsters of your level or higher
Xenocide
Not unlocked yetKill 50000 monsters of your level or higher
Dog slayer
Not unlocked yetKill 50 unusual dogs of your level or higher
Cistopod slayer
Not unlocked yetKill 50 unusual cistopods of your level or higher
Fly slayer
Not unlocked yetKill 150 unusual flies of your level or higher
Stinger slayer
Not unlocked yetKill 150 unusual stingers of your level or higher
Denticulat slayer
Not unlocked yetKill 150 unusual denticulats of your level of higher
Spitacid slayer
Not unlocked yetKill 150 unusual spitacids of your level of higher
Transgenant slayer
Not unlocked yetKill 150 unusual transgenant of your level or higher
Megacephal slayer
Not unlocked yetKill 150 unusual megacephals of your level or higher
Silikrid slayer
Not unlocked yetKill 150 unusual silikrids of your level or higher
Sectoid slayer
Not unlocked yetKill 150 unusual sectoids of your level or higher
Rictopod slayer
Not unlocked yetKill 350 unusual rictopods of your level or higher
Necrophag slayer
Not unlocked yetKill 350 unusual necrophags of your level or higher
Guardian slayer
Not unlocked yetKill 350 unusual guardians of your level or higher
Enforcer slayer
Not unlocked yetKill 350 unusual enforcers of your level or higher
Infected soldier slayer
Not unlocked yetKill 350 unusual infected soldiers of your level or higher